From c4fdcf7ef241e86967bacf9e1b5841499dc1decf Mon Sep 17 00:00:00 2001
From: Alexander Galanin <al@galanin.nnov.ru>
Date: Tue, 4 Dec 2018 10:59:02 +0300
Subject: [PATCH] epoll() is absent on AIX

---
 cmake/DefinePlatformSpecifc.cmake | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/cmake/DefinePlatformSpecifc.cmake b/cmake/DefinePlatformSpecifc.cmake
index f66454ac9..b29640589 100644
--- a/cmake/DefinePlatformSpecifc.cmake
+++ b/cmake/DefinePlatformSpecifc.cmake
@@ -92,7 +92,12 @@ else (CYGWIN)
 	      add_definitions( -DPOCO_HAVE_FD_POLL)
 	      set(SYSLIBS  m socket)
 	    else (QNX)
-	      add_definitions( -D_XOPEN_SOURCE=500 -DPOCO_HAVE_FD_EPOLL)
+	      add_definitions( -D_XOPEN_SOURCE=500)
+	      if (${CMAKE_SYSTEM} MATCHES "AIX")
+	        add_definitions( -DPOCO_HAVE_FD_POLL)
+	      else()
+	        add_definitions( -DPOCO_HAVE_FD_EPOLL)
+	      endif()
 	      set(SYSLIBS  pthread ${CMAKE_DL_LIBS} rt)
 	    endif (QNX)
 	  endif (APPLE)